Udemy has just started their largest $9.99 sales of the year. It is a perfect opportunity to complete your collection of ours courses.

If you want to be extra kind to us (the instructors), please, use the following links when purchasing our courses:

Precalculus 2: Polynomials and rational functions

Precalculus 4: Exponential and logarithms

We have also three free courses:

Mathematics: Completing the square

Mathematics: Proofs by induction

Mathematics: Fun tricks for everybody

If you appreciate our work and want to support our efforts in creating more courses, please, share this information with your contacts.

## Recent Comments